23278840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 33874760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 503, 520, 712, 890, 1006, 1157, 1780, 2012, 2314, 2515, 3560, 4024, 4628, 5030, 5785, 6539, 9256, 10060, 11570, 13078, 20120, 23140, 26156, 32695, 44767, 46280, 52312, 65390, 89534, 130780, 179068, 223835, 261560, 358136, 447670, 581971, 895340, 1163942, 1790680, 2327884, 2909855, 4655768, 5819710, 11639420, 23278840]

約数ペア:

[(1, 23278840), (2, 11639420), (4, 5819710), (5, 4655768), (8, 2909855), (10, 2327884), (13, 1790680), (20, 1163942), (26, 895340), (40, 581971), (52, 447670), (65, 358136), (89, 261560), (104, 223835), (130, 179068), (178, 130780), (260, 89534), (356, 65390), (445, 52312), (503, 46280), (520, 44767), (712, 32695), (890, 26156), (1006, 23140), (1157, 20120), (1780, 13078), (2012, 11570), (2314, 10060), (2515, 9256), (3560, 6539), (4024, 5785), (4628, 5030)]