13309812940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1\times {\mathrm{12119}}^1$

素因数の和:12834

約数の個数: 48

約数和(自身を含む): 28312804800

約数和(自身を除く): 15002991860

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 617, 890, 1234, 1780, 2468, 3085, 6170, 12119, 12340, 24238, 48476, 54913, 60595, 109826, 121190, 219652, 242380, 274565, 549130, 1078591, 1098260, 2157182, 4314364, 5392955, 7477423, 10785910, 14954846, 21571820, 29909692, 37387115, 74774230, 149548460, 665490647, 1330981294, 2661962588, 3327453235, 6654906470, 13309812940]

約数ペア:

[(1, 13309812940), (2, 6654906470), (4, 3327453235), (5, 2661962588), (10, 1330981294), (20, 665490647), (89, 149548460), (178, 74774230), (356, 37387115), (445, 29909692), (617, 21571820), (890, 14954846), (1234, 10785910), (1780, 7477423), (2468, 5392955), (3085, 4314364), (6170, 2157182), (12119, 1098260), (12340, 1078591), (24238, 549130), (48476, 274565), (54913, 242380), (60595, 219652), (109826, 121190)]