28156665160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{71153}}^1$

素因数の和:71938

約数の個数: 64

約数和(自身を含む): 68316378480

約数和(自身を除く): 40159713320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 761, 1522, 3044, 3805, 6088, 7610, 9893, 15220, 19786, 30440, 39572, 49465, 71153, 79144, 98930, 142306, 197860, 284612, 355765, 395720, 569224, 711530, 924989, 1423060, 1849978, 2846120, 3699956, 4624945, 7399912, 9249890, 18499780, 36999560, 54147433, 108294866, 216589732, 270737165, 433179464, 541474330, 703916629, 1082948660, 1407833258, 2165897320, 2815666516, 3519583145, 5631333032, 7039166290, 14078332580, 28156665160]

約数ペア:

[(1, 28156665160), (2, 14078332580), (4, 7039166290), (5, 5631333032), (8, 3519583145), (10, 2815666516), (13, 2165897320), (20, 1407833258), (26, 1082948660), (40, 703916629), (52, 541474330), (65, 433179464), (104, 270737165), (130, 216589732), (260, 108294866), (520, 54147433), (761, 36999560), (1522, 18499780), (3044, 9249890), (3805, 7399912), (6088, 4624945), (7610, 3699956), (9893, 2846120), (15220, 1849978), (19786, 1423060), (30440, 924989), (39572, 711530), (49465, 569224), (71153, 395720), (79144, 355765), (98930, 284612), (142306, 197860)]