11639420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 26671680

約数和(自身を除く): 15032260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 503, 890, 1006, 1157, 1780, 2012, 2314, 2515, 4628, 5030, 5785, 6539, 10060, 11570, 13078, 23140, 26156, 32695, 44767, 65390, 89534, 130780, 179068, 223835, 447670, 581971, 895340, 1163942, 2327884, 2909855, 5819710, 11639420]

約数ペア:

[(1, 11639420), (2, 5819710), (4, 2909855), (5, 2327884), (10, 1163942), (13, 895340), (20, 581971), (26, 447670), (52, 223835), (65, 179068), (89, 130780), (130, 89534), (178, 65390), (260, 44767), (356, 32695), (445, 26156), (503, 23140), (890, 13078), (1006, 11570), (1157, 10060), (1780, 6539), (2012, 5785), (2314, 5030), (2515, 4628)]