89151920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7793}}^1$

素因数の和:7830

約数の個数: 80

約数和(自身を含む): 243546912

約数和(自身を除く): 154394992

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, 2860, 5720, 7793, 11440, 15586, 31172, 38965, 62344, 77930, 85723, 101309, 124688, 155860, 171446, 202618, 311720, 342892, 405236, 428615, 506545, 623440, 685784, 810472, 857230, 1013090, 1114399, 1371568, 1620944, 1714460, 2026180, 2228798, 3428920, 4052360, 4457596, 5571995, 6857840, 8104720, 8915192, 11143990, 17830384, 22287980, 44575960, 89151920]

約数ペア:

[(1, 89151920), (2, 44575960), (4, 22287980), (5, 17830384), (8, 11143990), (10, 8915192), (11, 8104720), (13, 6857840), (16, 5571995), (20, 4457596), (22, 4052360), (26, 3428920), (40, 2228798), (44, 2026180), (52, 1714460), (55, 1620944), (65, 1371568), (80, 1114399), (88, 1013090), (104, 857230), (110, 810472), (130, 685784), (143, 623440), (176, 506545), (208, 428615), (220, 405236), (260, 342892), (286, 311720), (440, 202618), (520, 171446), (572, 155860), (715, 124688), (880, 101309), (1040, 85723), (1144, 77930), (1430, 62344), (2288, 38965), (2860, 31172), (5720, 15586), (7793, 11440)]