40884640

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 101243520

約数和(自身を除く): 60358880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 61, 71, 80, 118, 122, 142, 160, 236, 244, 284, 295, 305, 355, 472, 488, 568, 590, 610, 710, 944, 976, 1136, 1180, 1220, 1420, 1888, 1952, 2272, 2360, 2440, 2840, 3599, 4189, 4331, 4720, 4880, 5680, 7198, 8378, 8662, 9440, 9760, 11360, 14396, 16756, 17324, 17995, 20945, 21655, 28792, 33512, 34648, 35990, 41890, 43310, 57584, 67024, 69296, 71980, 83780, 86620, 115168, 134048, 138592, 143960, 167560, 173240, 255529, 287920, 335120, 346480, 511058, 575840, 670240, 692960, 1022116, 1277645, 2044232, 2555290, 4088464, 5110580, 8176928, 10221160, 20442320, 40884640]

約数ペア:

[(1, 40884640), (2, 20442320), (4, 10221160), (5, 8176928), (8, 5110580), (10, 4088464), (16, 2555290), (20, 2044232), (32, 1277645), (40, 1022116), (59, 692960), (61, 670240), (71, 575840), (80, 511058), (118, 346480), (122, 335120), (142, 287920), (160, 255529), (236, 173240), (244, 167560), (284, 143960), (295, 138592), (305, 134048), (355, 115168), (472, 86620), (488, 83780), (568, 71980), (590, 69296), (610, 67024), (710, 57584), (944, 43310), (976, 41890), (1136, 35990), (1180, 34648), (1220, 33512), (1420, 28792), (1888, 21655), (1952, 20945), (2272, 17995), (2360, 17324), (2440, 16756), (2840, 14396), (3599, 11360), (4189, 9760), (4331, 9440), (4720, 8662), (4880, 8378), (5680, 7198)]