28691120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 43304272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 503, 620, 713, 920, 1006, 1240, 1426, 1840, 2012, 2480, 2515, 2852, 3565, 4024, 5030, 5704, 7130, 8048, 10060, 11408, 11569, 14260, 15593, 20120, 23138, 28520, 31186, 40240, 46276, 57040, 57845, 62372, 77965, 92552, 115690, 124744, 155930, 185104, 231380, 249488, 311860, 358639, 462760, 623720, 717278, 925520, 1247440, 1434556, 1793195, 2869112, 3586390, 5738224, 7172780, 14345560, 28691120]

約数ペア:

[(1, 28691120), (2, 14345560), (4, 7172780), (5, 5738224), (8, 3586390), (10, 2869112), (16, 1793195), (20, 1434556), (23, 1247440), (31, 925520), (40, 717278), (46, 623720), (62, 462760), (80, 358639), (92, 311860), (115, 249488), (124, 231380), (155, 185104), (184, 155930), (230, 124744), (248, 115690), (310, 92552), (368, 77965), (460, 62372), (496, 57845), (503, 57040), (620, 46276), (713, 40240), (920, 31186), (1006, 28520), (1240, 23138), (1426, 20120), (1840, 15593), (2012, 14260), (2480, 11569), (2515, 11408), (2852, 10060), (3565, 8048), (4024, 7130), (5030, 5704)]