72671560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139753}}^1$

素因数の和:139777

約数の個数: 32

約数和(自身を含む): 176090040

約数和(自身を除く): 103418480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139753, 279506, 559012, 698765, 1118024, 1397530, 1816789, 2795060, 3633578, 5590120, 7267156, 9083945, 14534312, 18167890, 36335780, 72671560]

約数ペア:

[(1, 72671560), (2, 36335780), (4, 18167890), (5, 14534312), (8, 9083945), (10, 7267156), (13, 5590120), (20, 3633578), (26, 2795060), (40, 1816789), (52, 1397530), (65, 1118024), (104, 698765), (130, 559012), (260, 279506), (520, 139753)]