83198840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 194110560

約数和(自身を除く): 110911720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 164, 194, 205, 328, 388, 410, 485, 523, 776, 820, 970, 1046, 1640, 1940, 2092, 2615, 3880, 3977, 4184, 5230, 7954, 10460, 15908, 19885, 20920, 21443, 31816, 39770, 42886, 50731, 79540, 85772, 101462, 107215, 159080, 171544, 202924, 214430, 253655, 405848, 428860, 507310, 857720, 1014620, 2029240, 2079971, 4159942, 8319884, 10399855, 16639768, 20799710, 41599420, 83198840]

約数ペア:

[(1, 83198840), (2, 41599420), (4, 20799710), (5, 16639768), (8, 10399855), (10, 8319884), (20, 4159942), (40, 2079971), (41, 2029240), (82, 1014620), (97, 857720), (164, 507310), (194, 428860), (205, 405848), (328, 253655), (388, 214430), (410, 202924), (485, 171544), (523, 159080), (776, 107215), (820, 101462), (970, 85772), (1046, 79540), (1640, 50731), (1940, 42886), (2092, 39770), (2615, 31816), (3880, 21443), (3977, 20920), (4184, 19885), (5230, 15908), (7954, 10460)]