30181840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29021}}^1$

素因数の和:29047

約数の個数: 40

約数和(自身を含む): 75573288

約数和(自身を除く): 45391448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29021, 58042, 116084, 145105, 232168, 290210, 377273, 464336, 580420, 754546, 1160840, 1509092, 1886365, 2321680, 3018184, 3772730, 6036368, 7545460, 15090920, 30181840]

約数ペア:

[(1, 30181840), (2, 15090920), (4, 7545460), (5, 6036368), (8, 3772730), (10, 3018184), (13, 2321680), (16, 1886365), (20, 1509092), (26, 1160840), (40, 754546), (52, 580420), (65, 464336), (80, 377273), (104, 290210), (130, 232168), (208, 145105), (260, 116084), (520, 58042), (1040, 29021)]