29984240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2658

約数の個数: 80

約数和(自身を含む): 81932256

約数和(自身を除く): 51948016

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2621, 2860, 5242, 5720, 10484, 11440, 13105, 20968, 26210, 28831, 34073, 41936, 52420, 57662, 68146, 104840, 115324, 136292, 144155, 170365, 209680, 230648, 272584, 288310, 340730, 374803, 461296, 545168, 576620, 681460, 749606, 1153240, 1362920, 1499212, 1874015, 2306480, 2725840, 2998424, 3748030, 5996848, 7496060, 14992120, 29984240]

約数ペア:

[(1, 29984240), (2, 14992120), (4, 7496060), (5, 5996848), (8, 3748030), (10, 2998424), (11, 2725840), (13, 2306480), (16, 1874015), (20, 1499212), (22, 1362920), (26, 1153240), (40, 749606), (44, 681460), (52, 576620), (55, 545168), (65, 461296), (80, 374803), (88, 340730), (104, 288310), (110, 272584), (130, 230648), (143, 209680), (176, 170365), (208, 144155), (220, 136292), (260, 115324), (286, 104840), (440, 68146), (520, 57662), (572, 52420), (715, 41936), (880, 34073), (1040, 28831), (1144, 26210), (1430, 20968), (2288, 13105), (2621, 11440), (2860, 10484), (5242, 5720)]