22415900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 53736144

約数和(自身を除く): 31320244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 401, 430, 559, 650, 802, 860, 1075, 1118, 1300, 1604, 2005, 2150, 2236, 2795, 4010, 4300, 5213, 5590, 8020, 10025, 10426, 11180, 13975, 17243, 20050, 20852, 26065, 27950, 34486, 40100, 52130, 55900, 68972, 86215, 104260, 130325, 172430, 224159, 260650, 344860, 431075, 448318, 521300, 862150, 896636, 1120795, 1724300, 2241590, 4483180, 5603975, 11207950, 22415900]

約数ペア:

[(1, 22415900), (2, 11207950), (4, 5603975), (5, 4483180), (10, 2241590), (13, 1724300), (20, 1120795), (25, 896636), (26, 862150), (43, 521300), (50, 448318), (52, 431075), (65, 344860), (86, 260650), (100, 224159), (130, 172430), (172, 130325), (215, 104260), (260, 86215), (325, 68972), (401, 55900), (430, 52130), (559, 40100), (650, 34486), (802, 27950), (860, 26065), (1075, 20852), (1118, 20050), (1300, 17243), (1604, 13975), (2005, 11180), (2150, 10426), (2236, 10025), (2795, 8020), (4010, 5590), (4300, 5213)]