40105000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 101358180

約数和(自身を除く): 61253180

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, 617, 625, 650, 1000, 1234, 1250, 1300, 1625, 2468, 2500, 2600, 3085, 3250, 4936, 5000, 6170, 6500, 8021, 8125, 12340, 13000, 15425, 16042, 16250, 24680, 30850, 32084, 32500, 40105, 61700, 64168, 65000, 77125, 80210, 123400, 154250, 160420, 200525, 308500, 320840, 385625, 401050, 617000, 771250, 802100, 1002625, 1542500, 1604200, 2005250, 3085000, 4010500, 5013125, 8021000, 10026250, 20052500, 40105000]

約数ペア:

[(1, 40105000), (2, 20052500), (4, 10026250), (5, 8021000), (8, 5013125), (10, 4010500), (13, 3085000), (20, 2005250), (25, 1604200), (26, 1542500), (40, 1002625), (50, 802100), (52, 771250), (65, 617000), (100, 401050), (104, 385625), (125, 320840), (130, 308500), (200, 200525), (250, 160420), (260, 154250), (325, 123400), (500, 80210), (520, 77125), (617, 65000), (625, 64168), (650, 61700), (1000, 40105), (1234, 32500), (1250, 32084), (1300, 30850), (1625, 24680), (2468, 16250), (2500, 16042), (2600, 15425), (3085, 13000), (3250, 12340), (4936, 8125), (5000, 8021), (6170, 6500)]