401025560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14551}}^1$

素因数の和:14628

約数の個数: 64

約数和(自身を含む): 990118080

約数和(自身を除く): 589092520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 14551, 27560, 29102, 58204, 72755, 116408, 145510, 189163, 291020, 378326, 582040, 756652, 771203, 945815, 1513304, 1542406, 1891630, 3084812, 3783260, 3856015, 6169624, 7566520, 7712030, 10025639, 15424060, 20051278, 30848120, 40102556, 50128195, 80205112, 100256390, 200512780, 401025560]

約数ペア:

[(1, 401025560), (2, 200512780), (4, 100256390), (5, 80205112), (8, 50128195), (10, 40102556), (13, 30848120), (20, 20051278), (26, 15424060), (40, 10025639), (52, 7712030), (53, 7566520), (65, 6169624), (104, 3856015), (106, 3783260), (130, 3084812), (212, 1891630), (260, 1542406), (265, 1513304), (424, 945815), (520, 771203), (530, 756652), (689, 582040), (1060, 378326), (1378, 291020), (2120, 189163), (2756, 145510), (3445, 116408), (5512, 72755), (6890, 58204), (13780, 29102), (14551, 27560)]