41665000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 105294420

約数和(自身を除く): 63629420

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 641, 650, 1000, 1250, 1282, 1300, 1625, 2500, 2564, 2600, 3205, 3250, 5000, 5128, 6410, 6500, 8125, 8333, 12820, 13000, 16025, 16250, 16666, 25640, 32050, 32500, 33332, 41665, 64100, 65000, 66664, 80125, 83330, 128200, 160250, 166660, 208325, 320500, 333320, 400625, 416650, 641000, 801250, 833300, 1041625, 1602500, 1666600, 2083250, 3205000, 4166500, 5208125, 8333000, 10416250, 20832500, 41665000]

約数ペア:

[(1, 41665000), (2, 20832500), (4, 10416250), (5, 8333000), (8, 5208125), (10, 4166500), (13, 3205000), (20, 2083250), (25, 1666600), (26, 1602500), (40, 1041625), (50, 833300), (52, 801250), (65, 641000), (100, 416650), (104, 400625), (125, 333320), (130, 320500), (200, 208325), (250, 166660), (260, 160250), (325, 128200), (500, 83330), (520, 80125), (625, 66664), (641, 65000), (650, 64100), (1000, 41665), (1250, 33332), (1282, 32500), (1300, 32050), (1625, 25640), (2500, 16666), (2564, 16250), (2600, 16025), (3205, 13000), (3250, 12820), (5000, 8333), (5128, 8125), (6410, 6500)]