1640579420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{53231}}^1$

素因数の和:53330

約数の個数: 48

約数和(自身を含む): 3648734208

約数和(自身を除く): 2008154788

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 3082, 6164, 7705, 15410, 30820, 53231, 106462, 212924, 266155, 532310, 1064620, 1224313, 2448626, 3566477, 4897252, 6121565, 7132954, 12243130, 14265908, 17832385, 24486260, 35664770, 71329540, 82028971, 164057942, 328115884, 410144855, 820289710, 1640579420]

約数ペア:

[(1, 1640579420), (2, 820289710), (4, 410144855), (5, 328115884), (10, 164057942), (20, 82028971), (23, 71329540), (46, 35664770), (67, 24486260), (92, 17832385), (115, 14265908), (134, 12243130), (230, 7132954), (268, 6121565), (335, 4897252), (460, 3566477), (670, 2448626), (1340, 1224313), (1541, 1064620), (3082, 532310), (6164, 266155), (7705, 212924), (15410, 106462), (30820, 53231)]