38821250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2424

約数の個数: 40

約数和(自身を含む): 78396780

約数和(自身を除く): 39575530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 2389, 3250, 4778, 8125, 11945, 16250, 23890, 31057, 59725, 62114, 119450, 155285, 298625, 310570, 597250, 776425, 1493125, 1552850, 2986250, 3882125, 7764250, 19410625, 38821250]

約数ペア:

[(1, 38821250), (2, 19410625), (5, 7764250), (10, 3882125), (13, 2986250), (25, 1552850), (26, 1493125), (50, 776425), (65, 597250), (125, 310570), (130, 298625), (250, 155285), (325, 119450), (625, 62114), (650, 59725), (1250, 31057), (1625, 23890), (2389, 16250), (3250, 11945), (4778, 8125)]