105128920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4931}}^1$

素因数の和:4996

約数の個数: 64

約数和(自身を含む): 261001440

約数和(自身を除く): 155872520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 4931, 5330, 9862, 10660, 19724, 21320, 24655, 39448, 49310, 64103, 98620, 128206, 197240, 202171, 256412, 320515, 404342, 512824, 641030, 808684, 1010855, 1282060, 1617368, 2021710, 2564120, 2628223, 4043420, 5256446, 8086840, 10512892, 13141115, 21025784, 26282230, 52564460, 105128920]

約数ペア:

[(1, 105128920), (2, 52564460), (4, 26282230), (5, 21025784), (8, 13141115), (10, 10512892), (13, 8086840), (20, 5256446), (26, 4043420), (40, 2628223), (41, 2564120), (52, 2021710), (65, 1617368), (82, 1282060), (104, 1010855), (130, 808684), (164, 641030), (205, 512824), (260, 404342), (328, 320515), (410, 256412), (520, 202171), (533, 197240), (820, 128206), (1066, 98620), (1640, 64103), (2132, 49310), (2665, 39448), (4264, 24655), (4931, 21320), (5330, 19724), (9862, 10660)]