509204020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{29231}}^1$

素因数の和:29320

約数の個数: 48

約数和(自身を含む): 1168812288

約数和(自身を除く): 659608268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 29231, 58462, 116924, 146155, 292310, 380003, 584620, 760006, 1520012, 1900015, 1958477, 3800030, 3916954, 7600060, 7833908, 9792385, 19584770, 25460201, 39169540, 50920402, 101840804, 127301005, 254602010, 509204020]

約数ペア:

[(1, 509204020), (2, 254602010), (4, 127301005), (5, 101840804), (10, 50920402), (13, 39169540), (20, 25460201), (26, 19584770), (52, 9792385), (65, 7833908), (67, 7600060), (130, 3916954), (134, 3800030), (260, 1958477), (268, 1900015), (335, 1520012), (670, 760006), (871, 584620), (1340, 380003), (1742, 292310), (3484, 146155), (4355, 116924), (8710, 58462), (17420, 29231)]