25371320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 62233920

約数和(自身を除く): 36862600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 503, 520, 776, 970, 1006, 1261, 1940, 2012, 2515, 2522, 3880, 4024, 5030, 5044, 6305, 6539, 10060, 10088, 12610, 13078, 20120, 25220, 26156, 32695, 48791, 50440, 52312, 65390, 97582, 130780, 195164, 243955, 261560, 390328, 487910, 634283, 975820, 1268566, 1951640, 2537132, 3171415, 5074264, 6342830, 12685660, 25371320]

約数ペア:

[(1, 25371320), (2, 12685660), (4, 6342830), (5, 5074264), (8, 3171415), (10, 2537132), (13, 1951640), (20, 1268566), (26, 975820), (40, 634283), (52, 487910), (65, 390328), (97, 261560), (104, 243955), (130, 195164), (194, 130780), (260, 97582), (388, 65390), (485, 52312), (503, 50440), (520, 48791), (776, 32695), (970, 26156), (1006, 25220), (1261, 20120), (1940, 13078), (2012, 12610), (2515, 10088), (2522, 10060), (3880, 6539), (4024, 6305), (5030, 5044)]