2019841840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{5209}}^1$

素因数の和:5390

約数の個数: 80

約数和(自身を含む): 4860804960

約数和(自身を除く): 2840963120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 131, 148, 185, 262, 296, 370, 524, 592, 655, 740, 1048, 1310, 1480, 2096, 2620, 2960, 4847, 5209, 5240, 9694, 10418, 10480, 19388, 20836, 24235, 26045, 38776, 41672, 48470, 52090, 77552, 83344, 96940, 104180, 192733, 193880, 208360, 385466, 387760, 416720, 682379, 770932, 963665, 1364758, 1541864, 1927330, 2729516, 3083728, 3411895, 3854660, 5459032, 6823790, 7709320, 10918064, 13647580, 15418640, 25248023, 27295160, 50496046, 54590320, 100992092, 126240115, 201984184, 252480230, 403968368, 504960460, 1009920920, 2019841840]

約数ペア:

[(1, 2019841840), (2, 1009920920), (4, 504960460), (5, 403968368), (8, 252480230), (10, 201984184), (16, 126240115), (20, 100992092), (37, 54590320), (40, 50496046), (74, 27295160), (80, 25248023), (131, 15418640), (148, 13647580), (185, 10918064), (262, 7709320), (296, 6823790), (370, 5459032), (524, 3854660), (592, 3411895), (655, 3083728), (740, 2729516), (1048, 1927330), (1310, 1541864), (1480, 1364758), (2096, 963665), (2620, 770932), (2960, 682379), (4847, 416720), (5209, 387760), (5240, 385466), (9694, 208360), (10418, 193880), (10480, 192733), (19388, 104180), (20836, 96940), (24235, 83344), (26045, 77552), (38776, 52090), (41672, 48470)]