9979520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 24675840

約数和(自身を除く): 14696320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 503, 620, 640, 992, 1006, 1240, 1984, 2012, 2480, 2515, 3968, 4024, 4960, 5030, 8048, 9920, 10060, 15593, 16096, 19840, 20120, 31186, 32192, 40240, 62372, 64384, 77965, 80480, 124744, 155930, 160960, 249488, 311860, 321920, 498976, 623720, 997952, 1247440, 1995904, 2494880, 4989760, 9979520]

約数ペア:

[(1, 9979520), (2, 4989760), (4, 2494880), (5, 1995904), (8, 1247440), (10, 997952), (16, 623720), (20, 498976), (31, 321920), (32, 311860), (40, 249488), (62, 160960), (64, 155930), (80, 124744), (124, 80480), (128, 77965), (155, 64384), (160, 62372), (248, 40240), (310, 32192), (320, 31186), (496, 20120), (503, 19840), (620, 16096), (640, 15593), (992, 10060), (1006, 9920), (1240, 8048), (1984, 5030), (2012, 4960), (2480, 4024), (2515, 3968)]