4098202420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199523}}^1$

素因数の和:199624

約数の個数: 48

約数和(自身を含む): 9385608960

約数和(自身を除く): 5287406540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 199523, 399046, 798092, 997615, 1995230, 2593799, 3990460, 5187598, 10375196, 12968995, 15762317, 25937990, 31524634, 51875980, 63049268, 78811585, 157623170, 204910121, 315246340, 409820242, 819640484, 1024550605, 2049101210, 4098202420]

約数ペア:

[(1, 4098202420), (2, 2049101210), (4, 1024550605), (5, 819640484), (10, 409820242), (13, 315246340), (20, 204910121), (26, 157623170), (52, 78811585), (65, 63049268), (79, 51875980), (130, 31524634), (158, 25937990), (260, 15762317), (316, 12968995), (395, 10375196), (790, 5187598), (1027, 3990460), (1580, 2593799), (2054, 1995230), (4108, 997615), (5135, 798092), (10270, 399046), (20540, 199523)]