87804860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 218345568

約数和(自身を除く): 130540708

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2791, 2860, 3146, 5582, 6292, 7865, 11164, 13955, 15730, 27910, 30701, 31460, 36283, 55820, 61402, 72566, 122804, 145132, 153505, 181415, 307010, 337711, 362830, 399113, 614020, 675422, 725660, 798226, 1350844, 1596452, 1688555, 1995565, 3377110, 3991130, 4390243, 6754220, 7982260, 8780486, 17560972, 21951215, 43902430, 87804860]

約数ペア:

[(1, 87804860), (2, 43902430), (4, 21951215), (5, 17560972), (10, 8780486), (11, 7982260), (13, 6754220), (20, 4390243), (22, 3991130), (26, 3377110), (44, 1995565), (52, 1688555), (55, 1596452), (65, 1350844), (110, 798226), (121, 725660), (130, 675422), (143, 614020), (220, 399113), (242, 362830), (260, 337711), (286, 307010), (484, 181415), (572, 153505), (605, 145132), (715, 122804), (1210, 72566), (1430, 61402), (1573, 55820), (2420, 36283), (2791, 31460), (2860, 30701), (3146, 27910), (5582, 15730), (6292, 13955), (7865, 11164)]