72623720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139661}}^1$

素因数の和:139685

約数の個数: 32

約数和(自身を含む): 175974120

約数和(自身を除く): 103350400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139661, 279322, 558644, 698305, 1117288, 1396610, 1815593, 2793220, 3631186, 5586440, 7262372, 9077965, 14524744, 18155930, 36311860, 72623720]

約数ペア:

[(1, 72623720), (2, 36311860), (4, 18155930), (5, 14524744), (8, 9077965), (10, 7262372), (13, 5586440), (20, 3631186), (26, 2793220), (40, 1815593), (52, 1396610), (65, 1117288), (104, 698305), (130, 558644), (260, 279322), (520, 139661)]