65789440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:883

約数の個数: 80

約数和(自身を含む): 163025280

約数和(自身を除く): 97235840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 829, 992, 1240, 1280, 1658, 1984, 2480, 2560, 3316, 3968, 4145, 4960, 6632, 7936, 8290, 9920, 13264, 15872, 16580, 19840, 25699, 26528, 33160, 39680, 51398, 53056, 66320, 79360, 102796, 106112, 128495, 132640, 205592, 212224, 256990, 265280, 411184, 424448, 513980, 530560, 822368, 1027960, 1061120, 1644736, 2055920, 2122240, 3289472, 4111840, 6578944, 8223680, 13157888, 16447360, 32894720, 65789440]

約数ペア:

[(1, 65789440), (2, 32894720), (4, 16447360), (5, 13157888), (8, 8223680), (10, 6578944), (16, 4111840), (20, 3289472), (31, 2122240), (32, 2055920), (40, 1644736), (62, 1061120), (64, 1027960), (80, 822368), (124, 530560), (128, 513980), (155, 424448), (160, 411184), (248, 265280), (256, 256990), (310, 212224), (320, 205592), (496, 132640), (512, 128495), (620, 106112), (640, 102796), (829, 79360), (992, 66320), (1240, 53056), (1280, 51398), (1658, 39680), (1984, 33160), (2480, 26528), (2560, 25699), (3316, 19840), (3968, 16580), (4145, 15872), (4960, 13264), (6632, 9920), (7936, 8290)]