91471120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 230578992

約数和(自身を除く): 139107872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 281, 313, 520, 562, 626, 1040, 1124, 1252, 1405, 1565, 2248, 2504, 2810, 3130, 3653, 4069, 4496, 5008, 5620, 6260, 7306, 8138, 11240, 12520, 14612, 16276, 18265, 20345, 22480, 25040, 29224, 32552, 36530, 40690, 58448, 65104, 73060, 81380, 87953, 146120, 162760, 175906, 292240, 325520, 351812, 439765, 703624, 879530, 1143389, 1407248, 1759060, 2286778, 3518120, 4573556, 5716945, 7036240, 9147112, 11433890, 18294224, 22867780, 45735560, 91471120]

約数ペア:

[(1, 91471120), (2, 45735560), (4, 22867780), (5, 18294224), (8, 11433890), (10, 9147112), (13, 7036240), (16, 5716945), (20, 4573556), (26, 3518120), (40, 2286778), (52, 1759060), (65, 1407248), (80, 1143389), (104, 879530), (130, 703624), (208, 439765), (260, 351812), (281, 325520), (313, 292240), (520, 175906), (562, 162760), (626, 146120), (1040, 87953), (1124, 81380), (1252, 73060), (1405, 65104), (1565, 58448), (2248, 40690), (2504, 36530), (2810, 32552), (3130, 29224), (3653, 25040), (4069, 22480), (4496, 20345), (5008, 18265), (5620, 16276), (6260, 14612), (7306, 12520), (8138, 11240)]