16247960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6659}}^1$

素因数の和:6731

約数の個数: 32

約数和(自身を含む): 37162800

約数和(自身を除く): 20914840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6659, 13318, 26636, 33295, 53272, 66590, 133180, 266360, 406199, 812398, 1624796, 2030995, 3249592, 4061990, 8123980, 16247960]

約数ペア:

[(1, 16247960), (2, 8123980), (4, 4061990), (5, 3249592), (8, 2030995), (10, 1624796), (20, 812398), (40, 406199), (61, 266360), (122, 133180), (244, 66590), (305, 53272), (488, 33295), (610, 26636), (1220, 13318), (2440, 6659)]