25142240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 63431424

約数和(自身を除く): 38289184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 137, 148, 155, 160, 185, 248, 274, 296, 310, 370, 496, 548, 592, 620, 685, 740, 992, 1096, 1147, 1184, 1240, 1370, 1480, 2192, 2294, 2480, 2740, 2960, 4247, 4384, 4588, 4960, 5069, 5480, 5735, 5920, 8494, 9176, 10138, 10960, 11470, 16988, 18352, 20276, 21235, 21920, 22940, 25345, 33976, 36704, 40552, 42470, 45880, 50690, 67952, 81104, 84940, 91760, 101380, 135904, 157139, 162208, 169880, 183520, 202760, 314278, 339760, 405520, 628556, 679520, 785695, 811040, 1257112, 1571390, 2514224, 3142780, 5028448, 6285560, 12571120, 25142240]

約数ペア:

[(1, 25142240), (2, 12571120), (4, 6285560), (5, 5028448), (8, 3142780), (10, 2514224), (16, 1571390), (20, 1257112), (31, 811040), (32, 785695), (37, 679520), (40, 628556), (62, 405520), (74, 339760), (80, 314278), (124, 202760), (137, 183520), (148, 169880), (155, 162208), (160, 157139), (185, 135904), (248, 101380), (274, 91760), (296, 84940), (310, 81104), (370, 67952), (496, 50690), (548, 45880), (592, 42470), (620, 40552), (685, 36704), (740, 33976), (992, 25345), (1096, 22940), (1147, 21920), (1184, 21235), (1240, 20276), (1370, 18352), (1480, 16988), (2192, 11470), (2294, 10960), (2480, 10138), (2740, 9176), (2960, 8494), (4247, 5920), (4384, 5735), (4588, 5480), (4960, 5069)]