650273000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{50021}}^1$

素因数の和:50055

約数の個数: 64

約数和(自身を含む): 1638720720

約数和(自身を除く): 988447720

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, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 50021, 100042, 200084, 250105, 400168, 500210, 650273, 1000420, 1250525, 1300546, 2000840, 2501050, 2601092, 3251365, 5002100, 5202184, 6252625, 6502730, 10004200, 12505250, 13005460, 16256825, 25010500, 26010920, 32513650, 50021000, 65027300, 81284125, 130054600, 162568250, 325136500, 650273000]

約数ペア:

[(1, 650273000), (2, 325136500), (4, 162568250), (5, 130054600), (8, 81284125), (10, 65027300), (13, 50021000), (20, 32513650), (25, 26010920), (26, 25010500), (40, 16256825), (50, 13005460), (52, 12505250), (65, 10004200), (100, 6502730), (104, 6252625), (125, 5202184), (130, 5002100), (200, 3251365), (250, 2601092), (260, 2501050), (325, 2000840), (500, 1300546), (520, 1250525), (650, 1000420), (1000, 650273), (1300, 500210), (1625, 400168), (2600, 250105), (3250, 200084), (6500, 100042), (13000, 50021)]