20126306560

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^2\times {\mathrm{4517}}^1$

素因数の和:4656

約数の個数: 108

約数和(自身を含む): 49050597708

約数和(自身を除く): 28924291148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1180, 1280, 1888, 2360, 3481, 3776, 4517, 4720, 6962, 7552, 9034, 9440, 13924, 15104, 17405, 18068, 18880, 22585, 27848, 34810, 36136, 37760, 45170, 55696, 69620, 72272, 75520, 90340, 111392, 139240, 144544, 180680, 222784, 266503, 278480, 289088, 361360, 445568, 533006, 556960, 578176, 722720, 891136, 1066012, 1113920, 1156352, 1332515, 1445440, 2132024, 2227840, 2665030, 2890880, 4264048, 4455680, 5330060, 5781760, 8528096, 10660120, 15723677, 17056192, 21320240, 31447354, 34112384, 42640480, 62894708, 68224768, 78618385, 85280960, 125789416, 157236770, 170561920, 251578832, 314473540, 341123840, 503157664, 628947080, 1006315328, 1257894160, 2012630656, 2515788320, 4025261312, 5031576640, 10063153280, 20126306560]

約数ペア:

[(1, 20126306560), (2, 10063153280), (4, 5031576640), (5, 4025261312), (8, 2515788320), (10, 2012630656), (16, 1257894160), (20, 1006315328), (32, 628947080), (40, 503157664), (59, 341123840), (64, 314473540), (80, 251578832), (118, 170561920), (128, 157236770), (160, 125789416), (236, 85280960), (256, 78618385), (295, 68224768), (320, 62894708), (472, 42640480), (590, 34112384), (640, 31447354), (944, 21320240), (1180, 17056192), (1280, 15723677), (1888, 10660120), (2360, 8528096), (3481, 5781760), (3776, 5330060), (4517, 4455680), (4720, 4264048), (6962, 2890880), (7552, 2665030), (9034, 2227840), (9440, 2132024), (13924, 1445440), (15104, 1332515), (17405, 1156352), (18068, 1113920), (18880, 1066012), (22585, 891136), (27848, 722720), (34810, 578176), (36136, 556960), (37760, 533006), (45170, 445568), (55696, 361360), (69620, 289088), (72272, 278480), (75520, 266503), (90340, 222784), (111392, 180680), (139240, 144544)]