13721840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 35997696

約数和(自身を除く): 22275856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 503, 620, 682, 880, 1006, 1240, 1364, 1705, 2012, 2480, 2515, 2728, 3410, 4024, 5030, 5456, 5533, 6820, 8048, 10060, 11066, 13640, 15593, 20120, 22132, 27280, 27665, 31186, 40240, 44264, 55330, 62372, 77965, 88528, 110660, 124744, 155930, 171523, 221320, 249488, 311860, 343046, 442640, 623720, 686092, 857615, 1247440, 1372184, 1715230, 2744368, 3430460, 6860920, 13721840]

約数ペア:

[(1, 13721840), (2, 6860920), (4, 3430460), (5, 2744368), (8, 1715230), (10, 1372184), (11, 1247440), (16, 857615), (20, 686092), (22, 623720), (31, 442640), (40, 343046), (44, 311860), (55, 249488), (62, 221320), (80, 171523), (88, 155930), (110, 124744), (124, 110660), (155, 88528), (176, 77965), (220, 62372), (248, 55330), (310, 44264), (341, 40240), (440, 31186), (496, 27665), (503, 27280), (620, 22132), (682, 20120), (880, 15593), (1006, 13640), (1240, 11066), (1364, 10060), (1705, 8048), (2012, 6820), (2480, 5533), (2515, 5456), (2728, 5030), (3410, 4024)]