25307880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16223}}^1$

素因数の和:16250

約数の個数: 64

約数和(自身を含む): 81768960

約数和(自身を除く): 56461080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16223, 32446, 48669, 64892, 81115, 97338, 129784, 162230, 194676, 210899, 243345, 324460, 389352, 421798, 486690, 632697, 648920, 843596, 973380, 1054495, 1265394, 1687192, 1946760, 2108990, 2530788, 3163485, 4217980, 5061576, 6326970, 8435960, 12653940, 25307880]

約数ペア:

[(1, 25307880), (2, 12653940), (3, 8435960), (4, 6326970), (5, 5061576), (6, 4217980), (8, 3163485), (10, 2530788), (12, 2108990), (13, 1946760), (15, 1687192), (20, 1265394), (24, 1054495), (26, 973380), (30, 843596), (39, 648920), (40, 632697), (52, 486690), (60, 421798), (65, 389352), (78, 324460), (104, 243345), (120, 210899), (130, 194676), (156, 162230), (195, 129784), (260, 97338), (312, 81115), (390, 64892), (520, 48669), (780, 32446), (1560, 16223)]