31676320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 81941328

約数和(自身を除く): 50265008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 157, 160, 194, 208, 260, 314, 388, 416, 485, 520, 628, 776, 785, 970, 1040, 1256, 1261, 1552, 1570, 1940, 2041, 2080, 2512, 2522, 3104, 3140, 3880, 4082, 5024, 5044, 6280, 6305, 7760, 8164, 10088, 10205, 12560, 12610, 15229, 15520, 16328, 20176, 20410, 25120, 25220, 30458, 32656, 40352, 40820, 50440, 60916, 65312, 76145, 81640, 100880, 121832, 152290, 163280, 197977, 201760, 243664, 304580, 326560, 395954, 487328, 609160, 791908, 989885, 1218320, 1583816, 1979770, 2436640, 3167632, 3959540, 6335264, 7919080, 15838160, 31676320]

約数ペア:

[(1, 31676320), (2, 15838160), (4, 7919080), (5, 6335264), (8, 3959540), (10, 3167632), (13, 2436640), (16, 1979770), (20, 1583816), (26, 1218320), (32, 989885), (40, 791908), (52, 609160), (65, 487328), (80, 395954), (97, 326560), (104, 304580), (130, 243664), (157, 201760), (160, 197977), (194, 163280), (208, 152290), (260, 121832), (314, 100880), (388, 81640), (416, 76145), (485, 65312), (520, 60916), (628, 50440), (776, 40820), (785, 40352), (970, 32656), (1040, 30458), (1256, 25220), (1261, 25120), (1552, 20410), (1570, 20176), (1940, 16328), (2041, 15520), (2080, 15229), (2512, 12610), (2522, 12560), (3104, 10205), (3140, 10088), (3880, 8164), (4082, 7760), (5024, 6305), (5044, 6280)]