42619420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 94203648

約数和(自身を除く): 51584228

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1297, 1643, 2594, 3286, 5188, 6485, 6572, 8215, 12970, 16430, 25940, 32860, 40207, 68741, 80414, 137482, 160828, 201035, 274964, 343705, 402070, 687410, 804140, 1374820, 2130971, 4261942, 8523884, 10654855, 21309710, 42619420]

約数ペア:

[(1, 42619420), (2, 21309710), (4, 10654855), (5, 8523884), (10, 4261942), (20, 2130971), (31, 1374820), (53, 804140), (62, 687410), (106, 402070), (124, 343705), (155, 274964), (212, 201035), (265, 160828), (310, 137482), (530, 80414), (620, 68741), (1060, 40207), (1297, 32860), (1643, 25940), (2594, 16430), (3286, 12970), (5188, 8215), (6485, 6572)]